The U.S. Environmental Protection Agency (EPA) is added seven hazardous waste sites to the National Priorities List (NPL) of Superfund sites. They include two facilities in York, NE and single facilities in Norphlet, AK; Windham, ME; Fairfield, NJ; Ridgewood, NY and Collierville, TN. Superfund is the federal program that investigates and cleans up the most complex, uncontrolled or abandoned hazardous waste sites in the country to protect people’s health and the environment.